Finding the Fourth Proportional to 1,028,954.08, 1,543,538 and 281,000
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Solution
The fourth proportional to 1,028,954.08, 1,543,538 and 281,000 is: 421,529.19
Step by Step Solution
- Step 1: Write the proportion equation
1,028,954.08 : 1,543,538 = 281,000 : x - Step 2: Convert to fraction form
1,028,954.08/1,543,538 = 281,000/x - Step 3: Cross multiply
1,028,954.08x = 1,543,538 × 281,000 - Step 4: Simplify right side
1,028,954.08x = 433,734,178,000 - Step 5: Solve for x
x = 433,734,178,000/1,028,954.08 - Step 6: Final answer
x = 421,529.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.